Skin is the body's largest organ and, along with hair, nails, and skin-associated nerves and glands, is part of the integumentary system, according to the National Library of Medicine (NLM). This ...

By Dr. Liji Thomas, MD By directly measuring vitamin C inside human skin, researchers show that diet can boost skin vitamin C content and influence skin structure, while also revealing clear limits to ...

Sacrificial Layer: The stratum corneum acts as a sacrificial layer, bearing the brunt of environmental damage. Dead cells can ...

The functions of biomolecules, including lipids, nucleic acids and especially proteins are determined to a great extent by their structure. This structure–function relationship is a foundation of many ...

The skin barrier is the outermost layer of the skin. Skin consists of three layers: the epidermis, the dermis, and the hypodermis, per Cleveland Clinic. The epidermis is the top layer of skin, and the ...

When this barrier function is altered, the skin progressively loses its defense capabilities, making it vulnerable to ...

One of the challenges of working with ancient DNA samples is that damage accumulates over time, breaking up the structure of the double helix into ever smaller fragments. In the samples we've worked ...

The skin can absorb nicotine from cigarettes. This may cause adverse effects such as premature skin aging, delayed wound healing, and increased infections. It may also lead to skin diseases like ...